| something that current vaccines struggle | 2 | other |
| vaccine → be able to → protect | 12 |
| vaccine → be able to → protect us | 4 |
| vaccine → be able to → protect people | 4 |
| vaccine → be necessary to → protect us | 4 |
| negative | neutral | positive |
| 0.174 | 0.562 | 0.265 |
| Raw frequency | 24 |
| Normalized frequency | 0.283 |
| Modifier score | 0.000 |
| Perplexity | 78.660 |